Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.260282E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T00:14:05+0800
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    1 Object 1

    AOE ID 22
    NORAD ID 22
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 47981
    NORAD ID 47981
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter EXPLORER 7 STARLINK-2303
    Time of Closest Approach 2026-10-17T19:39:39+0000
    Collision Probability (Pc) 1.260282E-6
    Conjunction Distance (km) 2.85 km
    Relative Speed (km/s) 11.895 km/s
    Conjunction Risk Parameters R (Radial): -2.838 | I (In-track): -0.169 | C (Cross-track): -0.184
    Collision Risk Index (CRI) 0.37
    X Position (km) 6127.352 6124.918
    Position Y (km) 2884.008 2882.586
    Position Z (km) 1032.129 1031.711
    Velocity X (km/s) -1.352 -2.806
    Velocity Y (km/s) 4.818 3.794
    Velocity Z (km/s) -5.761 6

    Orbital Parameters 国际轨道数据源

    Parameter EXPLORER 7 STARLINK-2303
    Semimajor Axis (a) 6849.710 km 6848.403 km
    Eccentricity (e) 0.007316 0.000141
    Inclination (i) 50.2411° 53.1589°
    RAAN 215.5652° 21.0823°
    Perigee Argument 258.0074° 64.1306°
    Mean Anomaly (M) 101.2681° 295.9841°
    Apogee 521.685 km 471.236 km
    Perigee 421.461 km 469.296 km
    Orbit Epoch 2026-10-17T04:49:36+0000 2026-10-17T07:05:13+0000

    EXPLORER 7 & STARLINK-2303 Collision Probability (Pc) Trend

    EXPLORER 7 & STARLINK-2303 Collision Probability (Pc) TrendNot Available

    EXPLORER 7 & STARLINK-2303 Miss Distance (Miss Distance) Trend

    EXPLORER 7 & STARLINK-2303 Miss Distance (Miss Distance) TrendNot Available

    EXPLORER 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2303Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EXPLORER 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2303Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EXPLORER 7

    No nearby objects data